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Re: [Exist-open] Can you parse JSON with the eXist database?
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From: Joern T. <joe...@gm...> - 2024-08-19 07:20:08
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Ted,
Make sure that your json is returned by your app by testing the Get
request in the Browser. Most likely your controller.xql doesn't return
that file and your need a rule for that.
hth,
Joern
Ted Hickox <meg...@gm...> schrieb am Mo., 19. Aug. 2024, 07:26:
> My apology for giving you incorrect Javascript code. I corrected my
> code. Here it is:
>
> function Setup() {
> var XMLHttp;
> var JSON_Data;
>
>
> XMLHttp = new XMLHttpRequest();
> XMLHttp.open("GET", "
> http://localhost:8080/exist/rest/db/apps/HTML_Student/people.json", true);
> XMLHttp.onreadystatechange = function () {
> if(XMLHttp.readyState == 4){}{
> JSON_Data = XMLHttp.responseText;
> document.getElementById("JSON_Text").value = JSON_Data;
> }
>
> };
>
> }
>
> When I run the code and check the console, it states that it can't find
> people.json. I don't know why my webpage can't find people.json Can you
> assist me?
>
> On Sun, Aug 18, 2024 at 11:42 AM Jean-Paul Rehr <re...@gm...> wrote:
>
>> Ted, none of this has to do with eXist parsing JSON.
>>
>> The URL http://localhost:8080/exist/rest/db/apps/HTML_Student/people.json
>> is requesting a JSON document from eXist, that is, eXist is serving the
>> document not parsing it.
>>
>> Incidentally, one can parse a json document in Xquery with the command:
>>
>> fn:json-doc("/db/apps/HTML_Student/people.json")
>>
>> JPR
>>
>> On Sun, Aug 18, 2024 at 6:26 PM Ted Hickox <meg...@gm...> wrote:
>>
>>> If it's possible to parse JSON with the eXist database, why is the
>>> following code retrieving any data from my JSON document:
>>>
>>> JSON Example.xhtml
>>>
>>> <html xmlns="http://www.w3.org/1999/xhtml">
>>> <head>
>>> <title>First JSON Experiment</title>
>>> <link rel="stylesheet" type="text/css" href="
>>> http://localhost:8080/exist/rest/db/apps/HTML_Student/JSON_Example.css
>>> "/>
>>> <script language="javascript" src="
>>> http://localhost:8080/exist/rest/db/apps/HTML_Student/JSON_Example.js"/>
>>> </head>
>>> <body onload = "Setup()">
>>> <input type = "text" id = "JSON_Text">
>>> </input>
>>> </body>
>>> </html>
>>>
>>> JSON Example.css
>>>
>>> #JSON_Text {
>>> position: absolute;
>>> top: 200px;
>>> left: 300px;
>>> height: 25px;
>>> width: 300px;
>>> }
>>>
>>> JSON Example.js
>>>
>>> function Setup() {
>>> var XMLHttp;
>>> var JSON_Data;
>>>
>>> XMLHttp = new XMLHttpRequest();
>>>
>>> XMLHttp.onreadystatechange = function () {
>>> if(XMLHttp.readyState == 4){
>>> JSON_Data = JSON.parse(XMLHttp.responseText);
>>> }
>>> };
>>>
>>> XMLHttp.open("Get", "
>>> http://localhost:8080/exist/rest/db/apps/HTML_Student/people.json",
>>> true);
>>> XMLHttp.send();
>>>
>>>
>>> document.getElementById("JSON_Text").value = JSON_Data;
>>> }
>>>
>>> People.json
>>>
>>> {
>>> "People":{
>>> {
>>> "name": "Alex",
>>> "online": true
>>> },
>>> {
>>> "name": "Billy",
>>> "online": false
>>> }
>>>
>>> }
>>> }
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